.wapper {
    /* 定义网格布局 */
    display: grid;
    /* 定义每行5列 */
    grid-template-columns: repeat(5,auto);

}
.one {
    grid-row: 1/3;
    grid-column: 1;
}
.one >img{
    height: 700px;
}

.product {
    text-align: center;
    width: 400px;
    height: 300px;
}
.product > .title {
    font-size: larger;
}

.product > .desc {
    color: grey;
}
.product > .price {
    color: orange;
}
.product > .old-product {
    color: grey;
}
